<template>
 
  <div class="app-container">
 
    <el-form label-width="120px">
 
      <el-form-item label="信息描述">
 
        <el-tag type="info">excel模版说明</el-tag>
 
        <el-tag>
 
          <i class="el-icon-download"/>
 
          <a :href="OSS_PATH + '/excel/%E8%AF%BE%E7%A8%8B%E5%88%86%E7%B1%BB%E5%88%97%E8%A1%A8%E6%A8%A1%E6%9D%BF.xls'">点击下载模版</a>
 
        </el-tag>

      </el-form-item>
 
 
      <el-form-item label="选择Excel">
 
        <el-upload
 
          ref="upload"
 
          :auto-upload="false"
 
          :on-success="fileUploadSuccess"
 
          :on-error="fileUploadError"
 
          :disabled="importBtnDisabled"
 
          :limit="1"
 
          :action="BASE_API+'/eduservice/subject/addSubject'"
 
          name="file"
 
          accept="application/vnd.ms-excel">
 
          <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
 
          <el-button
 
            :loading="loading"
 
            style="margin-left: 10px;"
 
            size="small"
 
            type="success"
 
            @click="submitUpload">{{ fileUploadBtnText }}</el-button>
 
        </el-upload>
 
      </el-form-item>
 
    </el-form>
 
  </div>
 
</template>

<script>
export default {
    

    data(){
        return {
             BASE_API: process.env.BASE_API, // 接口API地址
 
             // OSS_PATH: process.env.OSS_PATH, // 阿里云OSS地址
 
             fileUploadBtnText: '上传到服务器', // 按钮文字
 
             importBtnDisabled: false, // 按钮是否禁用,
 
             loading: false
        }
    },
    created(){

    },

    methods:{
 submitUpload() {
 
      this.fileUploadBtnText = '正在上传'
 
      this.importBtnDisabled = true
 
      this.loading = true
 
      this.$refs.upload.submit()
 
    },
 
 
    fileUploadSuccess(response) {
 
      if (response.success === true) {
 
    this.fileUploadBtnText = '导入成功'
 
    this.loading = false
 
    this.$message({
 
        type: 'success',
 
        message: response.message
 
    })
 
    }   
 
    },
 
 
    fileUploadError(response) {
 this.fileUploadBtnText = '导入失败'
 
    this.loading = false
 
    this.$message({
 
    type: 'error',
 
    message: '导入失败'
 
    })
      
 
    }

    }
}
</script>